| General information |
| Product type designation |
SM 1222, DQ 8x24 V DC/0.5 A |
| Supply voltage |
| permissible range, lower limit (DC) |
20.4 V |
| permissible range, upper limit (DC) |
28.8 V |
| Input current |
| from backplane bus 5 V DC, max. |
120 mA |
| Power loss |
| Power loss, typ. |
1.5 W |
| Digital outputs |
| Number of digital outputs |
8 |
| ● in groups of |
1 |
| Short-circuit protection |
No; to be provided externally |
| Limitation of inductive shutdown voltage to |
typ. (L+) -48 V |
| Switching capacity of the outputs |
| ● with resistive load, max. |
0.5 A |
| ● on lamp load, max. |
5 W |
| Output voltage |
| ● Rated value (DC) |
24 V |
| ● for signal "0", max. |
0.1 V; with 10 kOhm load |
| ● for signal "1", min. |
20 V DC |
| Output current |
| ● for signal "1" rated value |
0.5 A |
| ● for signal "0" residual current, max. |
10 µA |
| Output delay with resistive load |
| ● "0" to "1", max. |
50 µs |
| ● "1" to "0", max. |
200 µs |
| Total current of the outputs (per group) |
| horizontal installation |
| — up to 50 °C, max. |
4 A; Current per mass |
| Relay outputs |
| Switching capacity of contacts |
| — with inductive load, max. |
0.5 A |
| — on lamp load, max. |
5 W |
| — with resistive load, max. |
0.5 A |
| Cable length |
| ● shielded, max. |
500 m |
| ● unshielded, max. |
150 m |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Diagnostic alarm |
Yes |
| Diagnostics indication LED |
| ● for status of the outputs |
Yes |
| Potential separation |
| Potential separation digital outputs |
| ● between the channels, in groups of |
1 |
| ● between the channels and backplane bus |
500 V AC |
| Degree and class of protection |
| Degree of protection acc. to EN 60529 |
|
| ● IP20 |
Yes |
| Standards, approvals, certificates |
| CE mark |
Yes |
| CSA approval |
Yes |
| UL approval |
Yes |
| cULus |
Yes |
| FM approval |
Yes |
| RCM (formerly C-TICK) |
Yes |
| Marine approval |
Yes |
| Ambient conditions |
| Free fall |
| ● Fall height, max. |
0.3 m; five times, in product package |
| Ambient temperature during operation |
| ● min. |
-20 °C |
| ● max. |
60 °C |
| ● horizontal installation, min. |
-20 °C |
| ● horizontal installation, max. |
60 °C |
| ● vertical installation, min. |
-20 °C |
| ● vertical installation, max. |
50 °C |
| ● permissible temperature change |
5°C to 55°C, 3°C / minute |
| Ambient temperature during storage/transportation |
| ● min. |
-40 °C |
| ● max. |
70 °C |
| Air pressure acc. to IEC 60068-2-13 |
| ● Storage/transport, min. |
660 hPa |
| ● Storage/transport, max. |
1 080 hPa |
| Relative humidity |
| ● Operation at 25 ℃ without condensation, max. |
95 % |
| Connection method |
| required front connector |
Yes |
| Mechanics/material |
| Enclosure material (front) |
|
| ● Plastic |
Yes |
| Dimensions |
| Width |
45 mm |
| Height |
100 mm |
| Depth |
75 mm |
| Weights |
| Weight, approx. |
180 g |
| last modified: |
11/10/2018 |
